| 摘要 |
PURPOSE: To credit a credit transaction up to a card use limit amount by making good use of the purchase history on the IC card by providing an IC card part with a purchase. history storage part and a card use limit amount storage part. CONSTITUTION: The IC card part 200 consists of a CPU 210, a password number storage part 220 which stores a password number for specifying the bearer of the card, a purchase history storage part 230, and the card use limit amount storage part 240. The purchase history storage part 230 has a purchase history table containing the past purchase histories of individuals and the card use limit amount storage part 240 has a card use limit amount table. Consequently, information on the IC card is utilized as to the past transaction history at the time of crediting up to the card use limit amount to lighten the load of information management on an individual credit information center, and the crediting is enabled without using a communication line of telephony, etc., so the time required for an inquiry can be shortened. |
